August hosted two dinner parties for his friends. twenty guests attended the first party, and thirty-four guests attended the second party. what is the percentage increase of the number of guests from the first party to the second party?

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.